Spinel (MgAl2O4 transparent polycrystalline) vs Steatite (MgO-SiO2 ceramic)
Property comparison of Spinel (MgAl2O4 transparent polycrystalline) and Steatite (MgO-SiO2 ceramic), both ceramic.
| Property | Spinel (MgAl2O4 transparent polycrystalline) | Steatite (MgO-SiO2 ceramic) | Difference |
|---|---|---|---|
| Poisson ratio | 0.26 | 0.25 | -4% |
| Density | 3,580 kg/m³ | 2,700 kg/m³ | -25% |
| Thermal conductivity | 14.6 W/m·K | 2.5 W/m·K | -83% |
| Specific heat | 800 J/kg·K | 870 J/kg·K | +9% |
| Coefficient of thermal expansion | 0.000008 1/K | 0.000008 1/K | 0% |
Difference is Steatite (MgO-SiO2 ceramic) relative to Spinel (MgAl2O4 transparent polycrystalline). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- —
- standard
- DIN
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